body{
background:#0b0f0b;
display:flex;
justify-content:center;
align-items:center;
height:100vh;
font-family:Arial;
}

.box{
width:350px;
background:#111;
border:3px solid #00ff66;
border-radius:20px;
text-align:center;
padding:30px;
box-shadow:0 0 30px #00ff66;
}

h1{
color:#00ff66;
text-shadow:0 0 15px #00ff66;
}

img{
width:90px;
}

.button{
display:block;
background:#25D366;
color:white;
text-decoration:none;
padding:15px;
margin-top:20px;
border-radius:15px;
font-size:20px;
font-weight:bold;
}

.button:hover{
background:#00ff66;
}

.channel{
display:block;
background:#0088ff;
color:white;
text-decoration:none;
padding:15px;
margin-top:15px;
border-radius:15px;
font-size:18px;
}